The Internazionali BNL d'Italia 2014 - Day Four [Getty Images]

ROME, ITALY - MAY 14: Ivo Karlovic of Croatia in action against Grigor Dimitrov of Bulgaria during day 4 of the Internazionali BNL d'Italia 2014 on May 14, 2014 in Rome, Italy. (Photo by Michael Regan/Getty Images)

Getty Images Sport Michael Regan